Methylnaphthalene

CAS 1321-94-4

EPA’s 2019 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$68M

Top sourceIndia 35%

EPA lists this chemical for 2019 but publishes zero or no volume for both production and imports.

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290290 · basket

EPA reports by year

2019: US production Zero · Imports Zero

These shares come from HS customs code 290290, which covers 171 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IN 35%IndiaTW 11%TaiwanES 10%SpainDE 10%GermanyCN 8%China

Czech Republic
Netherlands
Switzerland
Pakistan
United Kingdom
Austria
Denmark
Indonesia
Lithuania
Hong Kong
Finland

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Koppers

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$0.10/gSigma-Aldrich (Rush Stock)

CountryGermany

Pack$506.80 / 5 kg

Purity95%

Vendors12 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

11 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich	Germany	$0.10	5 kg	95%
Combi-Blocks, Inc.	United States	$0.25	1 kg	96%
Apollo Scientific UK	United Kingdom	$0.34	500 g	96%
ALFA AESAR	Germany	$0.35	100 g	96%
Aaron Chemicals LLC	Hong Kong	$0.81	500 g	70%
Angene Chemical	China → Hong Kong	$0.87	500 g	70%
A2B Chem LLC	United States	$1.23	500 g	80%
AA BLOCKS	United States	$1.61	500 g	80%
Labotest KG	Germany	$217.80	5000 mg	90%
Otava, Ltd. (2 weeks)	Ukraine	$2724.00	50 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	70%

Chemical Identity

CAS1321-94-4

PubChem CID7002

DTXSIDDTXSID3025625

FormulaC11H10

Mol. Weight142.2 g/mol

SMILESCC1=CC=CC2=CC=CC=C12

Data Sources

EPA CompTox (DSSTox) · DTXSID3025625Retrieved 2026-04-06
PubChem · compound 7002Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Methylnaphthalene (CAS 1321-94-4) https://chemicalindependence.com/chemical/1321-94-4/ EPA CompTox (DSSTox): DTXSID3025625. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3025625 PubChem: 7002. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7002 EPA Chemical Data Reporting: 1321-94-4. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290290 for CAS 1321-94-4. Reporting year: 2024. https://usatrade.census.gov/